Printing machine



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we liar T. qollwit zf A TTORNE Y-S 0 WWW mm NW Patented Oct. 2, 1951 UNITED STATES PATENT OFFICE PRINTING MACHINE Walter T. Gollwitzer, Euclid, Ohio, assignor to Addressograph-Multigraph Corporation, Wilmington, DeL, a corporation of Delaware Application April 10, 1945, Serial No. 587,579

for producing business instruments and the like that embody coded data representing perforations.

One situation where business instruments of the aforesaid character are produced in large numbers is found in payroll or similar work where card checks are prepared for a relatively large payroll. Such card checks have printed information thereon to set forth the name and other identification of or data relating to the payee, the check number, the amount of the check and other accounting data that may be helpful in the handling of the checks after the checks have been cashed, and all or a part of the foregoing information is also represented on thechecks by coded perforations so that the checks may be subjected to tabulating, sorting or like operations. In the preparation of checks where the amount is the same for each pay or disbursement period the printed information may be advantageously produced on the checks through the use of printing devices having type characters formed thereon whereby the desired information may be printed directly from the printing devices onto the checks, and it is an important object of the present invention to enable such printing devices also to be utilized to control the formation of the coded data representations on the checks in the same machine where the printed impressions are formed on the checks.

Another and related object is to enable the numerical amounts that are represented on a series of card checks produced as aforesaid to be accumulated, and a related object is to enable such accumulated amounts to be represented in group cards produced after a predetermined number of card checks have been passed through the machine. Further objects related to the foregoing are to enable the preparation of such card checks to be accomplished in such a manner that when a group or total card is produced for a particular group of card checks, the relationship between the card checks that are then in the process of production in the machine will not be disturbed; to enable total cards to be prepared in respect to each group in such a way that such total cards may readily be assembled with the respective groups to which they pertain so as to thereby facilitate further accounting and checking operations; to eject the total cards from the sheet guideway so that such cards are readily accessible to the operator; and to effect such ejection of the total cards automatically as an in-- 2 cident to the operation of the mechanism through a total cycle.

Other and more specific objects of the invention are to enable movements of the sheets or cards through the machine to be governed by a pair of stop finger cam shafts; to operate the two stop finger cam shafts in timed relation during normal cycles of machine operation, and to utilize but one of the cam shafts in special or total cycles of operation.

Where numerical amounts are being punched into the columns of a cam it is important that the card be accurately located with respect to the punching elements, and to simplify the attainment of this result is a further object of the present invention. More specifically it is an object of this invention to apply a continuous and accurately regulated advancing force to such a card While it is located at punching position, thereby to maintain the card in contact with the stop means that determine the location of the card at such position, and a further object is to augment such continuous force when the card is to be discharged from punching position so as to thereby attain rapid discharge of the card.

In the use of a machine of the kind to which the present invention relates it is often desirable to preserve a. record of the amounts that have been punched into the business instruments or checks, and to enable this to be done in a simple and expeditious manner is another object of the present invention. More specifically it is an object of the present invention to enable a web of paper to be led through the punching station of the machine so that perforations may be formed in the web of paper as an incident to the production of the business instruments or checks by the machine.

Further objects of the invention are to render operation of the accumulating and punching means dependent not only on proper location of a printing and control device at sensing station but also upon proper operation of the sensing means; to enable the machine to be automatically stopped when an overload condition arises in the printing device advancing means; to afford an overload release means in the drive of the printing device advancing means; and to effect stopping of the machine under control of such overload release means.

Other and further objects of the present invention will be apparent from the following description and claims are illustrated in the accompanying drawings which, by way of illustration, show a preferred embodiment and the principle 

